Physical and Chemical Agents Bactericidal concentration of phenol is 0.5% 1% 0.25% 0.75% 0.5% 1% 0.25% 0.75% ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Chlorine Ultraviolet radiation Ethylene oxide Glutaraldehyde Chlorine Ultraviolet radiation Ethylene oxide Glutaraldehyde ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? Isopropyl alcohol Both (a) and (b) Ethyl alcohol none of these Isopropyl alcohol Both (a) and (b) Ethyl alcohol none of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents All of the following are sporicidal except alcohol glutaraldehyde formaldehyde ethylene oxide alcohol glutaraldehyde formaldehyde ethylene oxide ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction ANSWER DOWNLOAD EXAMIANS APP
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